﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Ch4_general
{
    class SwapInt
    {
        public static void SwapFun(ref int a, ref int b)
        {
            int c = a;
            a = b;
            b = c;
        } 
    }
}
